A diamond plate from a 50s cocktail tom, Gretsch or Slingerland or WFL, etc. Ludwig |Rogers |Gretsch |Slingerland |Leedy |WFL |Kent. Shells |Lugs |Rods & Claws |Mounts |Strainers & Butt Plates. Gibraltar |Premier |Sonor |Trixon |Tama |Pearl |Star |Yamaha.